<?php
$link = mysqli_connect('localhost','root','');
if($link){
echo '数据库连接成功！';
}
else {
echo '数据库连接失败！';
}
$link->query("set names 'utf-8'");
$name = '张三';
$age = 18;
$class = '高三一班';
$ins = "insert into test1(name,age,class) values('$name','$age','$class')";
mysqli_query($link, $ins);
$uid = mysqli_insert_id($link);
echo $uid;
2017-09-17
<?php
$link = mysqli_connect('localhost','root','');
if($link){
echo '数据库连接成功！';
}
else {
echo '数据库连接失败！';
}
mysqli_select_db($link,'lianxi');
// mysqli_set_charset($link,"utf8");
$link->query("set names 'utf8'");
$name = '张三';
$age = 18;
$class = '高三一班';
$ins = "insert into stu(name,age,class) values('$name','$age','$class')";
mysqli_query($link, $ins);
$uid = mysqli_insert_id($link);
echo $uid;
?>
先不说其他的，你的代码里少了选择数据库这一步。就少了上面加粗那一步。
举报
